Sargassum muticum
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Ogna skule | Rogaland, Norway | 4 | 1 | 0 | 1996-09-26 |
| Flosta skole | Agder, Norway | 4 | 1 | 0 | 1994-11-04 |
| Byskogen skole | Vestfold, Norway | 4 | 1 | 0 | 2000-09-26 |
| Hvasser barneskole | Vestfold, Norway | 4 | 1 | 0 | 1994-11-30 |
| Myklebust skule | Møre og Romsdal, Norway | 3 | 1 | 0 | 1997-10-09 |
| Tjodalyng ungdomsskole | Vestfold, Norway | 3 | 1 | 0 | 1997-09-16 |
| Orerønningen ungdomsskole | Vestfold, Norway | 3 | 1 | 0 | 1995-09-19 |
| Åkrehamn vidaregåande skole | Rogaland, Norway | 3 | 1 | 0 | 1994-11-25 |
| Eide ungdomsskole | Møre og Romsdal, Norway | 3 | 1 | 0 | 1997-09-30 |
| Gimle videregående skole | Agder, Norway | 3 | 1 | 0 | 1994-06-09 |
| Høvåg skole | Agder, Norway | 3 | 1 | 0 | 1995-10-09 |
| Austbø skole | Rogaland, Norway | 3 | 1 | 0 | 1995-09-27 |
| Kringsjå skole | Agder, Norway | 3 | 1 | 0 | 1994-12-01 |
| Hårkollen skole | Vestfold, Norway | 3 | 1 | 0 | 1998-09-24 |
| Ringshaug skole | Vestfold, Norway | 3 | 1 | 0 | 1997-09-25 |
| Skeie skole | Rogaland, Norway | 2 | 1 | 0 | 1998-06-09 |
| Nordstrand videregående skole | Oslo, Norway | 2 | 1 | 0 | 1995-10-30 |
| Sunde skole | Agder, Norway | 2 | 1 | 0 | 1994-12-02 |
| Erdal ungdomsskole | Vestland, Norway | 2 | 1 | 0 | 1995-10-06 |
| Harøy skule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1996-10-17 |
| Kvamsøy barne- og ungdomsskule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1995-09-18 |
| Fresvik skule | Vestland, Norway | 2 | 1 | 0 | 1993-10-28 |
| Alvheim skule | Vestland, Norway | 2 | 1 | 0 | 1994-12-01 |
| Buøy skole | Rogaland, Norway | 2 | 1 | 0 | 1995-10-17 |
| Nedenes skole | Agder, Norway | 2 | 1 | 0 | 1996-09-19 |
| Norsk zoologisk forening | Oslo, Norway | 2 | 1 | 0 | 1993-10-17 |
| Horten videregående skole/Avd Bekkegata | Vestfold, Norway | 2 | 1 | 0 | 1993-11-29 |
| Gausetangen skole | Vestfold, Norway | 2 | 1 | 0 | 1996-09-20 |
| Veierland skole | Vestfold, Norway | 2 | 1 | 0 | 1995-09-27 |
| Tjøme ungdomsskole | Vestfold, Norway | 2 | 1 | 0 | 1994-11-01 |
| Harstad ungdomsskole | Troms, Norway | 2 | 1 | 0 | 1995-09-15 |
| Valderøy barneskule | Møre og Romsdal, Norway | 2 | 1 | 0 | 1994-11-04 |
| Indre Hafslo skule | Vestland, Norway | 1 | 1 | 0 | 1993-12-20 |
| Tangvall skole | Agder, Norway | 1 | 1 | 0 | 1993-10-21 |
| Tveit skole | Vestland, Norway | 1 | 1 | 0 | 1993-11-02 |
| Grindløkken skole | Vestfold, Norway | 1 | 1 | 0 | 1996-09-19 |
| Vormedal ungdomsskole | Rogaland, Norway | 1 | 1 | 0 | 1995-10-04 |
| Øyatun skule | Vestland, Norway | 1 | 1 | 0 | 1994-12-01 |
| Vassøy skole | Rogaland, Norway | 1 | 1 | 0 | 1995-10-04 |
| Langangen skole | Telemark, Norway | 1 | 1 | 0 | 1993-10-05 |
| Håland skole | Rogaland, Norway | 1 | 1 | 0 | 1994-11-25 |
| Stokke ungdomsskole | Vestfold, Norway | 1 | 1 | 0 | 1998-09-22 |
| Pia Ve Dahlen | Østfold, Norway | 1 | 1 | 0 | 2014-09-16 |
| Cato Tandberg | Oslo, Norway | 1 | 1 | 0 | 2010-08-25 |
| Os skule | Vestland, Norway | 1 | 1 | 0 | 1994-12-01 |
| Vigra skule | Møre og Romsdal, Norway | 1 | 1 | 0 | 1993-10-22 |
| Træleborg skole | Vestfold, Norway | 1 | 1 | 0 | 1994-11-10 |
| Sande ungdomsskole | Vestfold, Norway | 1 | 1 | 0 | 1996-10-18 |
| Tjodalyng skole | Vestfold, Norway | 1 | 1 | 0 | 1994-11-04 |
| Borgheim ungdomsskole | Vestfold, Norway | 1 | 1 | 0 | 1998-09-21 |